Linotype-machine



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G. E. MARLATT.

LINOTYPE MACHiNE.

APPLICATION HLED sEPT.2|.19x5.

G. E. IVIARLATT.

LINOTYPE MACHINE'.

APPLICATION msn SEPLZI, 1915..

Lw patented July 22,1919.

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G. E. MARLATT.

LINOTYPE MACHINE.

APPLICATION FILED sEPT.2I. 1915.

.Patented my 22, i919.

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QNNAI G. E. MARLATT.

UNOTYPE MACHINE.

APPLICATION FILED SEPT. 21, 1915.

1 510,487. Patented July 22, 1919.

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UNDP/PE MACHINE. APPLICATION man SEPT. 21, 1915.

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LINOTYPE MACHINE. APPLICATION HLED SEPT. 21.1915.

Patented July 22, 1919.

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GEORGE E. MARLATT, 0F PASADENA, CALIFORNA.

LmoTYPE-MAoHmE.

`Application tiled September 2l, 1915.

To H yN'wmI it muy concern.'

le it known that I, Grenen F. liflanm'rr, a citizen of the United States, residing' at Pasadena, in the county of Los Angeles and State of California, have invented a new and useful Improvement in Linotype-Ma chinesy of which the, following is a specilication.

M v invention relates to typographical machinesland particularly to thaty type of 111:1.- chine known as the lllerg'enthaler linotype machine as disclosed in Letters Patent of the United `States No. 36,532, issued to O. Mergenthaler, and designated Model One linot \'pe.

The primary object of my invent-ion is to provide certain `general improvements in the, structure and to enlarge the scope of such machines in order that the operation thereof n1av lie g satl)v simplified and facilitated and the desired results zurcomplished with the 111inin111111 amount of attention on the parl ol theI operator.

further object' of 111)' invention is to provide means for mixing the matrices in a line at ditlerent levels in the asse111hling' elevator` for transferring' them .in such a state to. and for presenting them in thel proper order at the casting position.

AA further ohiect is to provide an improved first elevator mechanism arranged to cooperate with the assenlhlinjl' elevator and transfer means for the proper handlinfy of theI mixed lines of matrices. Uther objects will appear in the detail-ed deseription 'followin 1'. A

Figure l .is a front elevation ofthe assembling elevator showingr the. division of the. front. assembling rails thereof into sections in order to provide access to any portion of a4 line of 111atrices confined therein.

Fig'. 2 is a left hand elevation of Fig. l'.

Fig. il yis a right hand elevation of the front wall of the elevator shown in Fig. l.A

i Fig. l is a sectional elevation of Fig. 1 on the' line 4--l. showing one. of the front rail sections in operative position and the construct-ion of the special scale indicator.

Figi'. 5 is a sectional elevation of Fig. l on the line 5 5, showing one of the rail sections in inopeative position and a rail of different design sul'istitnted therefor for the accommodation of matrices of new design.

Specification of Letters Patent.

Patented July 52,

Serial No. 52,953.

Fit'. l is a sectional elevation of Fig. l on the line l-(S of the front. wall of the elevator showing the means for mixing matrices at various levels in a line.

Fig. 'T is a perspective View of a portion of the front of the. machine showing the rear wall'of the assembling elevator, the transfer' channel, mat 'ix mixing means. and certain other improvements associated therewith.

Fig. S is a sectional plan of the rear wall of the assembling' elevator showing one of the assembling; rails, the matrix mixing means and the relation of the assembler stai' wheel thereto. i

Fig'. Si is a sectional elevation of the transfer channel on the line 9-9, Fig'. 'i'.

Fig. 10 is a sectional elevation of the rear wall of the :'...sseinhling` elevator -on the line 1li-1U, Fvg. 8, showing the rail operating means.

Fig'. il is a sectional elevation of the transfer channel on the line ll-l, Fig. 'i'. showing` the rail operating means.

12 and 13 are sectional elevations of the transfer channel on the line 9-9. Fig'. T. showing' the pair of rails at different. levels.

Fig'. -l is of the front of the machine showing the assembling' elevator and the transfer mechanis'ni, and a modified means for controlling the matrices at various levels in the transfer channel.

Fig. l5 is a sectional elevation of the Fig. 19 is a sectional elevation of Fig.

1G on the line 19-19 showing matrices having a large character cavity in casting position.

Fig. 2O is a sectional elevation of Fig. 1Q on the line 9.0-9.0 showing matrices in casting position.

a perspective View' of a portionv head and jaw and the vise frame in casting relation together' with means for operating; the matrix protecting gate.

Fig. 2l is a plan of the first elevator jaw and head in transfer position relative to the second elevator, showing the intermediate channel, the spaceband box, means for limiting the ascent y.of the elevator when recasting lines, together with certain details oit' construction of the second elevator and intermediate channel.

:inA

F ig. 215 is an elevation of the right hand casting jaw and intermediate channel wall Yshowing the `matrix protecting gate operatin means.

ig. 26 is a left hand end elevation of the intermediate channel and the second elevator in transfer relatiomshowing the manner of vransferring the matrices on their ears to the second elevator' and the spacebands to the intermediate channel.

Fig. 27 is a fragmentary vien1 in perspective of the mold disk, molds thereon, cams, first elevator and vise frame showing' iinproved means for controlling `the operation of the first elevator for presenting matrices to the molds at various levels.

Fig. 9.8 is a front elevation of the vise frame and mold disk with associa-ted elements.

Fig. 29 is a front elevation of a portion of the front of the machine in the vicinity of the transfer mechanism showing' improvements of my invention associated therewith.

Fig. 30 is sectn'snal plan of Fig. 29 on -the line BO--e Figjl is a left hand side elevation ot the lower portion ot' a. linotype machine showing my improvements thereon;

, Fig. 32 is a top plan of the 'forward portion of the same.

ln the description of the` construction hnd operation of my improved mechanism as set forth in the speciiieations and drawings, terms whichare familiar to the trade are used to define the various parts and the operation thereof, the common and well known names of the various vparts o'l the machine as heretofore constructed being used where possible.; and as a knowledge of the operation and construction of such machines is general in the trade, many of the details which are well known are 'not extensively described except n so 'fa-r as it is thought necessary in order to properly illustrate and describe the value and relation ot my improvements thereto. and comprehensive` idea of the operation oi my improvements may be had in the consideration oi' this invention l will show in the drawings and describe in the specification the intimate connections between the assemlblingny elevator, the transfer channel and the first elevator, and the means for mixing the matrices in the. line in all ot' these ele ments, but inasmuch as the operation of the unrelated elements in a machineoi this character will be readily miderstood by those skilled in the art, views otl the complete machine are omitted from the drawings. The several elen'ients of a typographical machine arrangement described are intended to acconmiodate matrices of several dili'erent designs; and in addition to having distributing teeth combinations on each end and character cavities on opposite edges, the matrices are provided with ears ot' various length depending upon the number ot character cavities oi' a given size which are permissible by the established length of the matrices. For instance, in Fig. 17 matrices are shown vwhich have full length ears on each end and two character cavities on each edge; in Fig. 19 matrices are shown having full-length ears on one end and half-length ears on the other end and three character cavities on each edge; in Fig. 20 matrices are shown having full-length ears on 'both ends and four character cavities on each edge; and in Fig'. 18 matrices are shown having two pairs of full-length ears and one large character cavity on each, edge.

A. matrix provided with half-length ears on both ends will acconnnodate character cavities et still larger dimension than shown in Fig. 1S. In order to render matricesof these several designs available for use and for lthe purpose of mixing the n'iultiple characters on "their edges at various levels in a,

line for placing' characters of diderent design on a common level relative to the mold cell, a special form of assembling' elevator is provided together'with certain improvements in the intermediate channel. the first elevator jaw and the mold. The new 'form 'of construction of the assembling elevator is shown in Figs. 1 to 8 inclusive and Fig. l0 and will first be described.

Heretofore the assembling elevator 368, which is coxmnonly known in the art, has been provided with one stationary rail and one'movable rail positioned in the front wall thereof for assembling matrices at two diiierent levels, either in mixed lines or otheiz- 'wise ln the present invention the rear Wall 361 of the ele fatoris provided with the usual stationary rail 362 and the movable rails 363 363 and 363, vany desired one of which ln order that a clearv j, Bil

be extended forward of the wall 361 for supporting the matrices or withdrawn from the matrix line to-a position within the wall, at will. The rails 363, 363 and 363 are adapted to be manually operated by means of crank pins 364, 364 and 364" which are pivotally mounted in the rear wall 361 and are provided with handles 365, 365 and 365 which `are secured to the upper ends of the pins andrest on the top of the wall. Eccen` tric ranks 366, 366 and 366 are formed on the lower ends of the pins and engage suitable slots in the rails with which they are respectively associated, so that by turn-v ing the handles on the pins, the movement of the rails in and out ot' the rear Wall of the elevator may be effected.

Each of the movable-rails 363, 363 and 363 has a pin 368, 368 or 368, as the case may be, which is secured in and depends from the rail and to which one end of the springs 369, 369 and 369, respectively are secured at one end, the other ends of the springs being secured to pins 370, 370 and 370 on the outside of the coverv plate 371 of the rear wall, and the springs being inserted in suitable recesses or bores 372, 372

and 372 in the rear wall` These springs norn'ially hold the rails within the wall and the movement thereof outwardly from the wall into the matrix channel is eti'ected by means of the crank pins, which, when turned by means of the handles thereon moves the eccentric portions 366, 366 and 366 from engagement with the inner edges of the slots 367 and the outward movement of the 'ails into the matrix channel is limited by means of the pins 373 and 373 secured in therear wall 361 which engage slots 374 and 3732' in the rails, as 'shown in Fig. 8.

The independent movement of each of the rails is effected by means of slots 375 which are provided in the two upper rails 363 and 3(' through which the crank pins extend, the lower rail crank pin 364 extending through the slots in the rails 363 and 363 and the central rail crank pin 364 through the upper rail 363.

Matrices may be, mixed at the several levels on the single stationary and they three movable rails by means of the vertical, pivoted shaft 376 carrying a handle 376 above the top plate 376 and provided with sec.- tors 377, 377 and 377 secured.thereto at the levels ot the movable rails 363, 363 and 363, as shown in Fig. 7. One ot' the edges ot' each ot' the several sectors is in the same vertical plane with the corresponding edgt-ss of the other sectors; the upper rector 377 is oi approximately Si() degrees in extent, the central sector 377 aboutl 18() degrees, the lower sector 377 about 270 degrees` and the remaining 9() degrees of the complete circle not embraced by the sectors provides a clearance through which the matrices may pass .as to obstruct the incoming matrices. ,a similar manner matrices may be assemto the lowest. or iixed rail 362, all of the scctors being movable in the circular recesses 378'in the ends ot the rails 363. 363 and 363". i

Matrices may be assembled on the upper apositionwithin the recess 37S and the centralsector 377 will be exposed through the recess 378 1n its assoclated rail 363 so In bled on the lower rail 363 by turning the, shaft 376 so that the sectors 377 and 377 will be entirely within the recess 373 in their respective rails .363 and 363 and the sector 377 will be exposed through its recess 373 and will obstruct the incoming matrices. lV hen Inatrices are to be assembled on the stationary rail 362 the shaft 376 is' turned so that all ot the sectors 377, 377 and 377" are within the recesses 37S in the rails 363, 363 and 363 so that the matrices may pass thereby and assume a position on the lower rail 362. The position ot' the vertical shaft 376 is itleiiticalv'ith that ot the usual trip wire 380 which serves to release the transfer carriage.` and this shat't is therefore adapted to receive and hold this wire rigidly above `\the handle 376. 'A single matrix may be raised from a lower to an upper position in the channel by raising the shat't 376 without turning it Figs. l to 6, inclusive show auxiliary means for mixing the matrices, said means being mounted on the. iront wall 332 of the elevator and is adapted to be associated with vthe, means on the rear wall just. described. 'l`his torni ot' mixing means includes a vertically movable plate 333 which has ribs 334 t'ormed on its inner surface and is provided with a suitable knob 385 by means ot' which itmay be raised to a desired position. The plate 363 is adapted to be held in a selected position by means of a spring 337 which is bent to engage grooves 33S in the. outer surface ot' the plate and is held in place against the wall by means of a rod 33t) which extends in front thereof.

'The plate 383 may be, moved vertically for placing the upper rib 384. on its inner side in horizontal alinelnent with any one ot the four rails on the rear wall 361, and when assembling a line of matrices, the use of this plate is preferable to the rear matrix mixing means until the line is nearly assembled, when the latter may be used for controlling the level of the final matrices in the line.,

This is the primary purpose of the rear matrix mixing means, as the extended edges of the sectors 377, 377 and 377 ere much narrower than the ribs 33st on the plete 333. The ribs 391 on the liront Well 332 o'i the elevator are in the seme horizontal planes with-the rails 363, 363 and 303 but are of different torni. .i`he-tront wall ot the elevator is subdivided into 1f plurality o narrow sections 390 u'hieh are mounted pivotally on the hrufizontally disposed shaft 330 journaled in bearings 392 and 392 at opposite ends olf the elevator on brackets and 393', respeetively, the brackets beingI secured to the laeeof the ele'f'ator by ineens of srrews 39% and 39%. rlhe sections 390 are held normally in vertical position by means of a comb-spring Withtl'ie teeth 395 or' the spring opposite and resiliently engaging each of the sections and. secured to the faee of the velevator by means of screws 307. A shoulder 398 is formed on, eaeh of the sections 390 which is adapted to be engaged by the resilient teeth 39? of the spring and 'the seetions are thus held resilientljyY in position on the elevator.

Ready access may be had to any portion of a line oit' matrices by means of 'the yieldable sections 390 for changing a'single Nord or elle "actor, as for instance, .trom one to another level, or iter removing Aa wronglyassembled matrix and substituting a eorreet character therefor, in sueh event, one or more of the sections being turned outwardly together with the matrices resting thereon, .find the correction or change made. ln addition to their being individually held in their yer-- tical position by the spring 395, the sections are held in serial alinement by means of a rib 399 which is common to all of the seetions and is either formed on or secured to the shaft 339. Thisv rib engages and extends vthrough .the radially formed slots 400 in the sections, as shown in Figs. 4 and 5, and its eng-agement .with the lower end of the slots in the sections serves lto hold the latter in their vertical position. rllhe left hand end of the shaft 339 has a crank extension 401 which extendsoutwardly from 'the elevater Where it is conneeted With one endof e spring 402 which is held at its other end on a screw 403 secured in the bracket 393 on the front Wall of the elevator and this spring serves te. hold` the rib 399 on the shaft in resilient engagement with the end of the slot 400 in the sections 390.

Matrices having full-length eers may be `zussenableden a single' supporting -rih 404 on the plate 405 which is provided asa substr tute for the; three upper ribs oli-the front walhand to accomplish this itis neeessary te turn the sections 390Qdownwer lly, shown in Fig. 5, and insert the plete 405 between the iront'- Well otheelevetor end the sections, the sections 390 hei a point L10G opposite the shaf modate the plate.

The gate 407, as shown, is et son: different form than that usually ein, in this class et' .maehinee and is with arms 408 and 403 (ripe thereof which are mounted the sections 300 on the shaft 33). is held in its normally vertical j@ means or' a spring,y 400 which opposite ends, respectively, 'to a par the arm +103 and a screw fill secured i Jfront Wall of the elevator and through the bracket 393, the sprif arranged that the pull theretol wil plane to the rear of the center of shaft 389.

. The upper rail yi12 of the gate hes edges .in Order that the graduatiens which represent units in length maY approach the matrix line, while the face of the rail is flat and has a. ems, represented by numerals which correspond to the graduation ln the edges. The rear o' the rail is allel to the forward central` extends outwardly for a tance from the beveled edves grooves Jfor receiving the ini edges 473.3 otf'an index slitw has a plurality or veentrel openings 415 through Wliirh tl ing` to those on the scale and n numbered in reverse directions on op* edges. lWhen the left hand end of the is used to indieate the length l of matrices, `the numerals end on the upper edge will indicate t' ing space in an unfinished line, and t nations on the lower edge ther-Golf assist the operator in' center-mg1 the ee' group ofmatriees in lines haring; r varyingl length in the center and eat.1 oi the line. This. latter result is at plished by omitting the central 'or characters until the other @hara line are assembled, then assembli4W tral group last, determining the ment from 'the right hand. end el t on the rail 412, dividing the result ing up the-matrix line at a point il the lower edge of the index slide i is equal to half of the length et group of Characters. rlhe in sli' this purpose, is set so thet its end indicates one half of the enti. the linebeing assemb group, of matriees is iz is opened end is thus eert., entire lenth of the lil llor'the purpose of preventing "Ti'ces for transfer to the intermediate channel. This'means is shown in Figs. 7 and S and provides for the operation ot only one of the rails for the purpose stated, but each of the rails may be similarly operated by like means.' The device consists of a vertically disposed operating bar 416 which is secured to -a suitable memberell ot the machine frame at the rear of the assembling elevator and the trout.v side of which projects into the path oi an extension 418 on the rear edge ot' the rail 363 which operates through an opening 419 in the rear plate 371.

The initial movement ot the elevator engages the extension 418 with the beveled sur'lace 420`on the lower portion of the bar 416 and forces the rail 363 forward in opposition to the tension o't' the spring 369, thus.

locking the.' matrix line against. displacement by jar or otherwise, when the. elevator reaches the top (it its runway, rllhe lowering of the elevator disengages the extension 4l8 from theibeveled surface 420 ot' the bar and the spring'ltl) withdraws the rail 363 Jfrom the matrix channel.

A n-iodiiied means t'or locking thematrices against displacement is shown in Figs. 14 and l5. and this torm ot' device is applicable to the usual torni of assembling elevators. This modified nuans includes the usual horizontal shaft 42l which carries levers 422, 422 and 422 for controlling the. operation ot' the duplex rail sections 4225 and 423. The lshaft is journaled in bearings 424 and 424 on the trout wall ot the elevator and an additional-lever 425 is secured'to the, lett hand end thereot' by means or' a suitable set serew 426 and has arms 42T, 42T and 427 formed thereon. The duplex rail levers 422, 422 and 422 have. split hubs and cling to the shaft with sufiicient Yt'rietion 'to render them movable with and by the shatt` or independently thereof.

The. levers 422 and 422 are rigidly eounected by means ot' a rod 428 which may be used to manually control the duplex rail section 423. bracket 429 is :uljustably held on the lower edge ot' the intermediate chan-- nel member 43() by means ol" a screw 431 extending through a. slot 432 therein. The lower rib 425) ot' the slide bracket 429 ex- 'ienils rearwardly under the channel member 43H l'or the purpose ot guiding it thereon, and this slide. when moved `to a position at the right of the member 480, as shown in Fig. 14, is in alinement with and adapted to be engaged by both the. upper arm 427 and the lower outer arm 427 on the lever 425 during the movement otl the elevator. Above the bracket and in the patlrotl the lower arm 42T', a rail 433 is secured to the, channel member 430 in a vertical position by means of screws 434.

During the upward movement of the elevator, when the slide bracket is inthe position ilulicated, tbe curved extension 435 ot' the slide will be engaged by both of the arms 42T and 42T and the vertical rail 433 will be engaged only by the arm 42T. But, whenthe slideis moved to the, left the. upper arm 42T will 4engnnge the flat surface ot' thechannel frame 430 and the arm 427 will engage the extended portion 435 of the slide and the rail 433 when the elejator is raised.

It is intended that the slide 429 should be moved to the left and out of the path ot' the. upper arm 427 when matrices are being assembled continuously on the duplexv rails 423 and 423', thus insuring the retention ot the rail sections in operativeposition regardless ot the successive movements ot' the elevator. However, in the event that itv may oe/desired to insert the rails 423 and 423 merely for the purpose of locking the matrices as the elevator is raised and to withdraw them when the elevator descends, then the bracket may be moved to the right.

lVith the bracket in position at the right band extreme ot' its movemennthe. elevator being in its lowermost position and the rails withdrawn from the matrix channel, thea'rm 427 is immovably held in one direction by the extended portion 435 of lthe slide bracket 429, and in the opposite direction by means ot' the engagement of the inner arm 427 with the front surface ot the elevator.

.The ascent. of the eleva-tor engages the lower arm 42T with the. extended portion 435 ot the slide, the. shaft 421 'is turned inv its bearings thereby, the rails are moved into the matrix channel, and the upper arm 427 is moved inwardly a eorrespomling distance.

llhile the elevator is in its uppermost position the arm 427 is maintained in its outermost position by its engagement with the vertical rail 433; and when tbe. elevator is again lowered theI duplex rails areagain withdrawn trom the matrix channel by means ot the engagement ot' the arm '42T with the bracket extension 435'.

A single or limited number of lines may be assembled on the. duplex rails by moving the. rails'into the matrix channel without moving the bracket. slide 42S) to the lett; in which ease tbe ascent ot' the elevator turns the sha lit 42l in the hubs ot' the. levers 422, 422 and 422 and leavesl the levers in such a relation to the sbat't as to eli'ect the lwithdrawal ol the rails' in the usual manner when the elevator again descends. 'lhe operation of these rails either' mechanically or elevator to the intermediate channel on the lower ribs 436 therein, it at their lower level, and on their upper, ribs 437, if at their uppermost level. ln order to edect the transfer of such matrices at their lower level it is necessary to Withdraw the central rails 438 which are movably held in opposite sides 439 of the channel frame, the movement of these yrails being performed in a manner similar to that employed in the rear wall of the. elesfator, by means of vertical crank pins 439 having handles 440 at their upper ends and cranks 441 at their lower ends which engage and operate in apertures 4.42 in the rails 438.

Matrices which may be assembled on the lowerribs 436 are prevented from vertical displacement by means of the upper and central ribs 437 and 438 which extend inwardly over the lower ears of the matrices.

` Matrices transferred on the upper ribs 437 are prevented from vertical displacement by vribsl 443 which project over the upper ends of the matrices. It is preferable in effecting the transfer of the matrix lines through the intermediate channel to support the matrices by their upper ears in order to avoid wear on the lower ears as thewear results in an improper face alineinent when the matrices are locked against the mold in the casting operation. The repeated dropping of the matrices into the assembler causes the lower ears thereof to wear excessively and out of roportion to the wear on the upper ears. lnly those matrices which occupy the lowest position in the line of mixed matrices may be thus supported on their upper ears, but all matrices which may be assembled at a uniform level may be supported on the upper ears by means of the rails 444 which are about centrally positioned bef tween the upperl and lower edges of the channel, and which correspond to the rails hereinbefore described for a similar purpose,

.except that they are vertically adjustable so that they may register with the three' separete levelsatwhich the matrices .may be assembled and transferred. v

The adjusting means for the rails 444 as shown in Figs. 7, 12 and 13, consistsof the com ound levers 445 and 446 which are piv etal y mounted on opposite sides of the channel on screws 447, and 448, respectively, se-

Y them.

aereas? cured in the sides 439 of the channel. The adjacent. ends 445' and 446', respectively, of the levers 445 and 446 are pivotally connected by means of a vdisk-socket joint disclosed in Fig. 7. The left hand Vends of the levers 445 have inwardly extending pins 449 which 'operate' through slots 4,50 in 'the walls 439 or the channel, and the inner ends of the pins engage the left hand ends of the rails 444. The opposite rails 444 and both of the sets of operatingl levers are connected and adapted to operate in unison by ineens of a yoke 451, the upper ends 452 of which are pivotally connected with the levers 446 and the right hand ends of the rails 444, the lower central portion of the yoke' passing around and beneath the bottom of the channel 430. y

"lhe inner ends of the pins 449 coact with the yoke ends 452 for moving opposite ends y on both the front and rear rails 444 in unison when the compound levers are operated, and a vertical movement of the yoke moves the rails a corresponding distance vertically. A pair of co-acting and commonly pivoted grips 453 are mounted on a pin 454 in the central lower portion of the yokey 451 midway .of and j ust below the bottom 455) of the channel 430. The ends '456 of those grips serve as handles for 'eecting their operation and.

their upper ends 457 engage longitudinal grooves 458 oppos1tely formed on the sides 439 of the channel. One of lthe grooves on cach of the sides is provided for each oftheY three levels at which matrices mayl be suspended in the channel and the movement of the grips irom one to the other of the pairs oi' grooves-moves the rails 444 correspondingly, and the rails may be thus held in position until it becomes necessary lao-change A modified form of the device just described is shown in Figs. i4 and 15 and is intended for use in connection. with the duplex matrix system heretoforeI employed in this class of machines. This orm'ot device is specially adapted for use with matrices having half-length ears, and the right hand end only of the rails 444 are movable for the purpose of alinement with the lower sides of the upper ears of the matrices( when they are in transfer position in thefasse'mbling elevator. The left hand ends hf the rails 444 are pivoted on screws 459 in the inner sides of the channel 430 and are held in their usual position so that matrices having halflength upperears may be transferred to the casting Jaw at one level, and those having fulllengt`n ears may be transferred at a dii'- erent level. When the matrices are :1s-- sembled at the upper level in the assembling elevator, they are supported on their lower ears in the intermediate channel in the usual manner, and the rails '444 retain, their lower position; but when they areasscmbled at thc lill) lio iower level their upper ears engage the rails lll and in the event that the upper ears are of half length the right hand ends of the rails lll must he raised so as to support the matrices immediately when they leave the assembling elevator. The movable ends of the rails are connected with 'the yoke 451 and are adapted to be operated thereby in a manner similar to that described in connection with the form shown in Fig. 7.

Thefirst elevator jaw into whic-li the matrix lines are carried from the intermediate channel. and are lowered thereby tothe. casting position, is of a different forni from that, commonly employed in type casting machines and is intended to present any of the, characters on the several designs 'of matrices, which will be hereinafter described7 to the mold for casting slugs therefrom. 'lliis jaw has self-contained means for raising the matrices from their several levels therein to a common upper level prior io their transfer to the second elevator, and is also provided with means for depressing the lars of the spacebands into a position below the upper ears of the matrices when they are at. their common upper level.

ln addition to its being provided with -ribs for permitting the mixing of matrices at. as many levels therein, the jaw-is also associated with means for llniiting its descent atl three different levels in front ofl the mold, for the purpose of presenting any selected character cavity on the edge ot' the several styles of matrices to the mold slotfor receiving t-lie cast of metal. The inold which is intended to he used with these other improvements-is also .of new and improved forni and includes a face plate 462 which has a plurality ot' parallel longitudinal grooves 463 for receiving the matrix ears ot' either the full-length or half-length type, and the plate is `reversible on the mold in order.to accommodate either of said types of matrices. The grooves in the plate are adapted to receive the matrix ears at a maxiumm of four different levels, depending upon the distance. which the casting j aw may be lowered, and to receive the matrix ears aty three different levels in mixed position.

The face plate 462 'may also be made in several different' forms in 'so far 'as the grooves #L63 are concerned, and any one of the-several forms of plates may be substitilted for another in the mold 1n order to accommodate a selected type of matrix. '.lhe mold is so constructed that only those of the. screws 464 which serve to hold the face plate thereon are. necessarily removed -for the purpose of releasing theI face plate therefrom, as shown in Fig. 16, thus rendering the face plate readily reversible on the mold. f i

The .heads 465 of the screws 166 which se- (iir'ethe mold base. 46T lo the mold carrier l 46S, extend entirety through the face plate,

are secured in the mold base and their appearance on the face of the mold merely indicates a clearance in the face plate for the screw heads. lt should be noted that all of the screws appearing on the face ofthe mold are on a common line with the locking bushing 469 which is common to all line casting machine. molds, and also that the setsof screws on either side of the bushing 469 are placed eqiiidistant therefrom in order to permit the reversal of the face plate462 around the bushing as an axis.

l The improvements in the mold and casting jaw are shown in Figs. 16 to 21 inclusive, the face plate 6:2 as shown in Fig. 16 being broken in order tio show the oppo# site, ends thereof in reversed positions on the mold. .A longitudinal rib 470 is provided on the upper edge of the plate 62 for the purpose otfincreasing the thickness of the lower lip 471 of the mold when matrices ot' the form shown in Fig. 19 are in use. In this ligure Aa modified form of filling piece 472 is shown which is intended for ilse in lieu of the rib T0 and which is clamped in position on the mold by means of the beveled edges 472B thereon and on the adjacent face plate of the modified forni.

vReferring to Fig. 16, it is to be observed that the ribs il and -li' are in different p0- sitions on the tace plate relative to the center of the plate. and when the plate is reversed. the distance between the upper or' operating rib and the mold slot 476 is increased or diminished .for the purpose of registering the character cavity of a selected form of matrix with the mold slot. Other modifications of the face plate J@62 are shown in Figs. 1S and :20. the grooves on oneside' to lower or higher positions as shown, lower .l

and higher character cavities on the multiple-letter matrices are presented to thel mold; as for instance. the lowerine. of the four-letter matrix lto a central position in front of the casting jaw will cause the second character thereon to be presented to the mold slot, and by lowering the jaw to its lowest position, the third character will be presented. ln order to present; the fourth character to the mold` theI matrix should be assembled at a level in the assembling elevator which will permit its transfer to a position on an upper rib 47T on the multiple l end -reil 47S, end this rib is also used when --imiti'ices are mixed at three levels, in which use the costing inw would be lowered to either its central er lowest position, depend ing upon ond es determined by the character selected for use.

rlhe ruil 478, shown in Fig. 20, which hes the ribs 477 und #H9 is intended for use in connection 'with tour-letter motrices und other matrices havingthe usuel halt' length lower eers und nm y be substituted for e rail he, in" but one rib and adaptable to ell other forms oi? nmtrices. Another form off supporting rail 4S() having e single 'rib 481, es shown in Figs. 17, 18 and 19, is reversible in position on `the casting inw for the purpose of placing the rib 481 thereon et en upper or lower level. The ribs lintended 'for Ause with matrices having fullflength lower eers must occupy positions et en upper level, es shown in Figs. 17 end 18, While the intended for use with matrices heving heli-length eers must occupy lower levels, es shown in Fig. 19. Reference is inode to Figs. 16, 29 ind 30 in addition to the vier previously mentioned in order that :t tull disclosure of the multiple rails may be hed.

rlthe rail of either the form es re resente by 478 or 480, respectively, is mounted oe- :tiveen the body 48:2 of the casting jew and lll.

)v ineens ot' springs 486 carried in the 48'?, :is shown in Fig. 30, which com- A ..5 against the ends et' the recesses 487 in the reni' Well 488 of the yoke member 490 on 'the bottom or' the jew. Diagonal slots 491 ere proif'ided in the rail which receive the grins 402 of the operating levers 493, tue movement of the arms therein moves the mils 'troni the nmtrix channel into the jew body 48'?. :1g-einst the tension of the springs 486. The 'front well 494 ot the yoke e serves :is e ruil for supporting the motrices et their lowest level in the jew und to mise ell ot the matrices to en extreme connnon upper level for the transfer to the second elevator. This raising of the Ineti'ices occurs subsequent to the withdrawal of the rzxil from the meti-ifi: channel. The raisingr ot' the yoke 400 is efl'ected by means ota springs 495 which :1re secured et opposite endsI to screws 490 in the jnw body and pins 497 extending through slots 498 in the roer well of the yoke, respectively. The upf werd movement ot the yoke while the mils have been bxtended and until their entire withdrawal is prevented by' means of extensions 400 on the rails 478-480 which enthe upper sides of the shoulders 500 on the reer well of the yoke.

the rail through which the screws ex tend. rthe rail is held resihently in posh' The yolre 490 is depressed by means of the inner and adjacent arms 501 of the levers 403 which engage the upper edge et' the reer Well oi' the yoke. A longitudinally positioned spring 502 is secured et opposite ends to spurs 503 on the centrel portions ot the levers 493 end serves to maintain the enf gegeinent ot the arms 501 of the levers 493 with the rear Well ot the yoke. Vertical springs are positioned in recesses 508 in the j ew end are secured et opposite ends 1 to the pins 505 in the arms 506 of the levers 493 and to the screws 507 in the jew, respectively, the combined tension .of the seid sprinos being in excess of that of the springs 495. lhe pins 505 move vertically` in the slots 509 in the jew and the said slots .comn municete with the recesses 508. The inner ends ot the pins ere secured to and supported by o vertically movable plete 510 which operates in e recess 511 in the jew, end the movement or" this plete effects the operation of the levers 493 for releasing or de ressing the yoke 490.

)ins 512 ere secured 'to the upper end of the plete 510 sind are movable in the upper jew plete 513 which is secured to the jew by ineens of sere *s 514. These pins are tepressible by' their engegement with the member 515, shown in Fig. 29, with which the casting jew engages when in its uppermost or transfer position, themenber 515 being?, common to `ell type casting machines. The yoke 490, by ineens of its connections just described and 'the operation of the plunger plus 512, will be operated end the metiieee will be reised to e connnon level in reediness for their transfer to the second elevetor. Guide pins 516 ere provided in the rece es 50S for holding; the yoke in the proper position, nd the lovvernrost position ot' ythis yoke is estzrbiished by the pins 517 which ere secured to th casting :gew end enaige slots 512i in the y( ke. 4

he vaction ot' the arms 492 ageinstfone sident the diagonal slots 491 causes the rei-lv 480 to be retracted. There is e clearance he# tween the `:ti-nis and the inner sides of the slots to permit the reverse movement of the eirms492 priorto the restoration off the rail by .the sirings 486, since this restoration cannot occur until the yoke 488 hes been depressed by the combined tension'of the springs 502 `and 504, thus disengaging the yoke from lugs 499 on the rail. 'lhese seme lugs prevent. the upward movement of the yoke until the ruil has been retracted, Whereupon the springs 495 reise the yoke.

When the matrices ere mixed et three levels or :uney held et the highest of three levels in 'the {irst ele-veter, those `above the second may drop to the second level when the rail 47S is retracted, as it is not essentiel that the matrices occupy e. @osition above the Second level in order to seperate the metri?. eers referred to herein. Were the pins 512 and which to the distributing teeth.

'Figs 24, 26 and 29 is of an from the spaceband and thin space ears as h erein` described. The level' to which the matrices must be raised spaces are depressed, and it is this level that is meant wherever a common upper level is it not for the fact that it is desirable to retain the lsolid ledge. 9 in front of the slot 511 as a eoperating support for the matrices, the matrices could all be permitted todrop to the lowest level and the spacer and space lugs depreed a corresponding distance.

It is a matter ot' general knowle those familiar with the operation of typographical machines, that the constant. transci of the matrices on their distributing teeth from the first to the second elevator and fromthe latter tothe distributer bar, results in objectionable wear of and injury The transfer of the matrices on their teeth into the distributer box is merely incidental to such transfer to the second elevator and is not essential, but the transfer of the matrices on their ears rather than on their teeth has heretofore been inpiacticable because of the difficulty of providing mea-ns lor the spaceband-s to a position so that their ears will be Ibelow the matrix ears, as the' Spacebands would otherwise.y be transferred with the matrices to the second elevator instead of being delivered to the spaceband box. In the present invention, as shown and described, the operation of the mechanism for raising tane'ously depresses the their ears are-below the upper matrix ears.

The .spacebands 519, as shown in Fig. 21, are held in the oppositely formed grooves 520 in the front wall 521 and the plunger plate 510, respectively, of the casting jaw by their ears 519. The front wall and plunger plate are secured to a spacing block by screws 524 and 524 form .a solid dge with the matrices, simulspacebands so that yokewhich is dep-i'ssible by is withdrawn by means of the springs 502 and 504, as previously described. The relative positions of the matrices 525 and the spacebands 519, when in transfer position, is shown in Fig. 29 in broken lines, the spacebaiids being supported in the laterally opposite grooves 526 in the. sides of the channel 430 in a manner similar to that usually employed, as shown in Fig. 26.

The second lelevator head, as shown in improved form l' and consists of a block 528 having depending and inwardly tin-med sides 529 adapted to receive and ,carry the matrices 525. The sides 529 are loosely mounted on the ends of pins 530 and 536 (Fig 29, the pin 536 being also shown in Fig. 24 as a pivot for the H meni'ber 535), the pins 530 and being depends of couli'se, Aupon the position to which the spacers and depressing casting jaw and the three members thusv rigid in the bloclr 528. The sides 52 able in the sides 529 ing across the c ends of the spI serving to springs.

iiliiveinent, but

clearances in the block. v of the springs extend through clearances 9 are reedges of the `block Opposite ends Q and engage pins 532 extendlearances through which the iii u C21 the sides ed on these. pins so that slight sliding motion y against the tension of the spring 531 when gs extend, the pins thus maintain the tension of the The pins 53 sides 529 against verti and hold the l and longitudinal are `loosely mountthey Quay have a pins 53() and SG lthe matrices enter the second elevator, the lippen edges oi the sides remaining in constant'l'contact with the blocks.

The pins 532 are keeper pins for tlie springs 531`and the springs retain the sides nient to the block 528 displacement caused -niatrices rEhe pi'votally connected pin 53e# 1n a manner employed with hea-d.` The block 52 extending entir the transfer channel the second e channel. One p seating in Fig. 26 behi clearance (not upper edges of ference between The springs 5 by t second el 7i th simi 79 in close engagesufbject to the slight he entrance ot' the evator link is the block 528 on a lar to that usually 9u the typical form of elevator Sha s offset portions 7 ely across the top edges of (Fig. 24) leva-tor head on the air o these offsets is shown for firmly nd the keeper-pins 532. A

the sides numbered) is provided inthe 529 to avoid intertlie sides and these olij'sets. 100 31 hold the sides 529 resilient'lyiii engagement with the matrices and f their tension is suflicient to hold the matrices firmly-in the li livered to the d the springs 531 ne istri to hold and its outer and lower forward movement of held .in such relation th compression spring 537 while they are being do buting mechanism. The r 535 which is'pivoted on' 8 coperaties with the matrices in line,

end obstructs the the matrices and is ereto by means of a which is secured in a bore 538 in the block and exerts an u ward pressure on the inner end of the closing member.

`Wh en the eleva tor has der to permit the matrices to 'be transferred to the distributing y spring actuated gages a suitabl distributer mechani is thus removed fr line and permits t It is occasionally necessary in the operathis character to re-cast from a. single line of shifted from l tributer box.

tion of machines of a number 'of slugs matrices Vand sp transfer levers end e sta mechanism, the inner of the member 535 entionary member of the sin and the member 535 om interference with the he matrices therein to be e second elevator to the disacebands, 540 and 5 in which event the n' (rug, 29) must iso' necessary, in view of the new lthat the latter may be locked against movement, the two levers being as usual, connected and adapted act in unison so that .the locking of the spaceband lever-540 to the right also prevents the movement of the line transfer 1ever 541. In such an operation it, is also form 'of casting jaw herein provided', to limit the upward movement of the first elevator su ciently to ,prevent the movement of the plunger pins 512 in order that the matrix line may be returned to casting position with the matrices at the level or levels at ,which they were assembled.

Heretofore, with the usual formof casting jaw, the locking of the first elevator for limiting its ascent was necessary onlyrwhen matrices which had been assembled at the upper level were to be used for re-casting, and the elevator was locked neer its bottom as a separate operation from the looking of the transfer-levers. As the levers 540 and 541 must be always locked during' the 're-casting operation, and as the new form of casting jaw renders it necessary to always limit the ascent of the first elevator during the re-casting operation, it is there.n

fore desirable to connect the two locking means in order to effect their simultaneous operation in unison.

The operative connection between the levers 540 and 541 thus rendered necessary includes a longitudinally disposed slide stop 542 which is connected by means of a 543 to the line transfer locking arm 544 so be moved into such a position that its end will rest over the path of the rst elevator head 545, as shown in Fig. y24. The slide vst0p'542 has a bearing in the first elevatoiz, ide rail 546and at its other end is slidab y held by means of a screw 547 on the second elevator guide post 548, a slot 549 being' formed in the end of the stop to receive the screw.

When the locking arm 544 is raised into the position shown in broken lines` in Fig. 24 so that its fre/e end rests in front of the head of a pin 550 carried by the lever '540, the link 543 operates to advance the stop 542 to a position between the guide member 546 and the first elevator head, thus limiting the ascent of the elevator and preventing the operation of the plunger pins 512. The link 543 for this reason is connected to the upper arm 552' of the locking arm 544 by means of a screw 553 and to the slide stop 542 by a screw It is apparent that the lowering of the locking arm 544 to tae vertical position shown in Fig. 29 will retract the stop 542.

An improved form of spaceband, which is intended to be used in connection with my several other improvements, diiers semewhat fromv the usual form and is shown in Figs. 2 and, 21.j The sleeve 551 has a cen-` to i lin the event that .to the spaceband trally formed clearance 4 for permitting the entrance of the hair` space collecting finger 559 to the openings 55,9 in thehair spaces both spacebands and hair spaces are used in a line oi' matrices.` A

smaller recess 5 communicating with the recess 4vis also provided and permits a blade 515 (Figf 29) to engage the upper end of the -space'band wedge on which the sleeve slides and insures the dropping of the wedge prior to' the transfer of vthe spacebands, to their box, a. similar recess 3 being provided in the hair space 1 to receive the blade.

As the spacebands casting jaw to a position below the upper ears of the matrices, the usual large V clearance in the spaceband sleeve is unnecessary, a stronger structure for the sleeve is' permitted and a reduction of the size of the shoulder 6 is also permitted so that the spacebands may be loweredto a lower level than customary in front of the mold without interference of the shoulder with the lip above the moldl slot. Only enough of the shoulder isA retained to lproperly center' the s acebands in the assembling elevator and' e sewhere, and the shoulder 2 on the hair spaces is of corresponding size. i.

Inasinuch as a new form of second elcvator is provided, for lise with my improved mechanism, a new form of spaceband shifting device' spaces or matrices having no distributing teeth from the matrix line when they are being transferred to the second elevator, is also provided, which will be presently described in detail. lt has heretofore been the practice to permit hair spaces whic were not intended to -be'delivered to the distributer, to fall into the transfer channel when the line is shifted and thence into a box 555, Fig. 29, provided i'or the purpose. Failure of such matrices'- to thus reach the box 555 results in interferences with the spacebands and prevents their proper transfor to the spaceband box 556. Thin spaces have heretofore been provided with ears which conform in shape to those of the matrices.

It will be readily apparent that with the improved form of second elevator such matrices would be carried by their ears for transfer to the distributor box, and they are therefore'provided with ears corresponding ears and are deprcssible with the spacebandsto a position below the second elevator head. In order thatV they may not carried with vthe spacebands to the spaceband box they are made to extend above the spaceband sleeves 557 '(Figs. 2

and 21) and have an opening 558, (Figs. 2

and 6) by means of which they are collected on' a finger 559 carried by the spacehand lever 540. The spacebandsl when theyV are Ithus collected by the finger'559 may either are depressed in the and means for separating thin' 15 i" "the finger, extendingvoutwardly from each be removed' therefrom prior to the next opwith and between a stationary sleeve 560.

and al loose sleeve 561 on the pin '550, the latter sleeve being held in position by means of-an arm 562 and a spring 563 co-acting therewith. The frictional mounting of the finger permits it to be retained .in either a raised or lowered position, at will, and the downward movement, thereof is limited by means of a transverse pin 564 carried by side thereof and resting at opposite ends upon the spaband collecting arms 562'and` 565.. Springs 563 and 566 on the pin 550 hold the arms 56h?l and 565 horizontally in :engagement vwith the upper edges vof the front and rear walls of the space'band box, as

shown in Fig. 24.' One end of the rear ping 566 is secured to the spacebandlever und the other to the arm 565, and one of the from'igspri'ug is 'held in a notch 567 on the head hipf the pin 550 while its other -end rests upon the front arm.562.

These springs also serve to force the -arms 562 and 565 against the ends of the sleeves 560 and 561, respectively, and to' retain the arms in substantially parallel relation. lEach of the arms has a pin 569 which the upper edge of the front and rear wall of the` intravels in a groove 570 formed in termediate channelas the arms are advanced for collecting the spacebands.

lThe spaceband lever 540 and the line of this class of machine, have a limited initial movement toward each other which is ysuilcient to shift the matrix from the first @to the second elevator, and this movement is followed by an extreme movement of the levers by which the end of thespaceband lever 540 vand the shifting finger 571 meet at a point to the rear of the second elevator guide postv 548. This second movement of the levers occurs after the matrices have been raised by the second elevator from the intermediate channel and serves to shift the spacebands to the spaceband box.

The dogs 572 which are mounted on pins 57 3 in recesses 574 and 575 on opposite sides lof the upper portion of the channel' walls serve to close the left hand side of the longiterrinediate channel, thus leaving the pins in position, the springs 563 vand 566 on the pin j 550 restore the arms 562 and 565 and the pins 569 engage the ribs 581 on the outer walls of the spaceband box, thus leaving all of the elements in their normal position for a succeeding transfer operation.

AA frequent occurrence in the operation of this class of machines consists in the delivery of matrix lines which are too long to be readily receivedbetween the right and left handcasting jaws to casting position, and such an occurrence results in damage or inj ury to those matrices adjacent `to the right handcasting jaw 582. The first elevator delivers the matrices to a position between the jaws and in the event of an overset line the end matrix is forced against the jaw and is caused thereby4 to be forced upwardly in the casting yoke 527, which vaction leaves the lower ear of the matrix in interference with the rib 474 of' thejnold and the advance of the mold disk causes the ear to be shea ed lthereby. Figs.v 22 to 25 inclusive disclose means forpreventing such an occurrence and will-now bede'scribed.

A spindle 583' is revolubly held in brackets 584and 585 which are secured by means of a screw or screws 586 to the elevator head 545 and the spindle has a spiral groove 587 formed thereon and carries a gate 588 at the transfer lever 541, as usual 1n the operationthe rear wall 521 of the casting yoke 527 and thus prevents the yielding of the wall when the slug is withdrawn from the matrix line after the casting operation. The gate remains closed only when the elevator head 545 is lowered to casting position and its opening and closing is regulated by means of a pin -591 which-is held stationary in the tudinal guide channels or gr61e's'576 inthe//vise frame 592 and'which engages the spiral walls and are pivotally held in such position bymeans of the springs 577 in the bores 578. The shift finger 571, Fig. 29 forces the space- The-advance of the lever 540 forces the pins 569 out of the grooves 570 and into the ingroove 587 in the spindle 583. The spindle vis of sulicient length to maintain engagement with the pin 591.when the elevator is raised to its uppermost position and the groove on the spindle extends about one half a turn around the periphery thereof.

The gate is secured to the spindle 583 by means of .a pin 593 and the horizontal arm 594 of the gate is. interposed between the brackets 584 and 585, thus preventing a vertical movement of the spindle relative to the spiral portion of the groove is engaged by the pin 591 and the gate is caused to swing outwardly into the position shown in Fig. 24.

Fig. 27 shows an improved means for controlling the descent of the second elevator to a selected one of the three levels hereinbefore referred to, the descent o f the elevator having been heretofore limited at two levels by means of a suitable Amember which corresponds in function to the members 596 and 597 shown in the drawings. Following the descent of the first elevator and the ad- Vance of the mold to .engage the matrix ears,

. the elevator has a slight upward movement which is effected by the portion 595 of the periphery of its cam, which serves to forcethe matrix ears into engagement with' the lower side of the ribs 474 and 471 carried by the mold, and -the pressure thus exerted on the matrices is intended to insure their properface alinement relative to the mold slot 476,

By limiting the descent of the elevator to any appreciable extent such alinement of the n'latrices would be interfered with for the reason that the cam roll-er 596 which controls the rise and fall of the elevator would be disengaged from its cam 597 at the point 595 on the periphery thereof which effects the alinernent of the matrices. Two additional cams are therefore provided which are slidablymounted on the shaft G01 in order that either of the cams 599 or G00 may engage the roller 596, or, both may be disengaged therefrom for permitting the roller to engage the central cam 597.

The central cam` 597 controls thedescent of the elevator to its lowest. level, the outer (am 599 to its central level and the inner cam toits highest level. Therollel provided `on the usual cam arm is of suilicient length to engage either of the auxiliary cams 599 and GOO'When they are moved longitudinally on the shaft 601 into contactv with the central cam 597; but when these Acams are moved into non-operative positions as shown in Fig. 32, the roller will engage only the central cam; The cams 599 and 600 are connected `for simultaneous movement by,

means of pins G02 which extend through suitable openings in the radiating arms 603 of the .ca 'm 597, and the cam 4300 has a hub 604 with `a Hange 605^`and adapted to receive the end of an operating lever G06 between the flange andthe cam, the movement of this lever serving to shift the cams 599 and 600 on the shaft 601.

The lever G06 is pivoted on a pin 607 secured in lugs G08 on the frame member 609 and its forward end has the bifurcations (310 which engage opposite sides of the vertical portion 611 of the slide bar 612 extending across the face of the mold disk 468 and which is mounted on the vise frame 592. Filling pieces (313 and 614 formed of spring metal,are secured to the bar 612 in a suit'- able manner, their adjacent ends are bifur cated and provided with round lugs or knobs'615 and 616, and the inner and adjacent ends thereof are movable to and from opposite sides of the vertical center of the mold Idisk, are 4substantially spaced apart and the knobs 615 are longer than those 616, for supporting the elevator at a corresponding-ly higher level ,Y

The descent of the elevator is usually limited by the engagement of an adjusting 85 screw 619 thereon with the vise ca-p 592, and a similarv adjustingserew/621 depresses the vise automatic stop rod '622 which is for the purpose of stopping the operation ofthe machine under certain abnormal conditions. The bar G12 is providedwith a plurality of notches G23 on its forward edge and any one of these notches may be caused to engage a pin 624 in the vise cap, the bar being held in engagement therewith by means of a. spring 625 which is secured to a block 626 on the vise cap, and rests yieldably against the inner edge of the bar.v The engagement of the central one of the notches (S23 with the pin 624 moves the knobs 615 and 616 from the path of and out of possible engagement with the screws 619 and 621, thus permitting the roller 596 to engage the central cam 59'.7 and the elevator to descend to its lowest level. The movement of the bar 612 to the left so that the right hand notch therein will engage the pin 624 will cause the roller 596 to engage the outer cam 599 and permit the elevator to descend to its central level, the right hand knobs 616 and 615 being moved into position between the stop rod 622 and the screw 621 and screw 619 respectively. Likewise, the movementv of .the bar so that the left handnotch willengage the pin 624 will cause the engagement ofthe roller with the inner cam 600 and the elevator will be permitted to descend -to its highest level in front of the mold, as de.- termined by the thicker 'or left hand knobs. Matrices are occasionally assembled on the lower rails of the assembling elevator and presented at their highest level infront of the mold by means of, llin zmembers, such i as are shown in Patent4 lrnber',1,999,468 for instance and corresponding 4in-function to the members 615 and (S16-herein, some operators preferring kto use thelower rather than the higher rails in the assembling ele- ,y vater. However, if the matricesfare `ined-Qv vertently assembled onthe upper rails and 13! 

